Bell System Practices 1500D Скачать руководство пользователя страница 5

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TABLE B

COMPONENT ORDERING GUIDE*

REPLACEABLE

TELEPHONE SET

COMPONENTS

1500D

Cord, Mounting

D3BN

Dial

25W3

25A3t

Housing

P-83A300

Plate, Face, Assembly

P-84GOOO�

Plate, Face

P-26E022t

Retainer, Card

P-25E803

P-25E846t

Ringer

C4A

Set, Hand

G3AR

OPTIONAL

Polarity Guard §

P-90D052

Refer

Table A for color selection.

t MD.

� Includes P-25E803 Card Retainer.

15548

25W3

25A3t

P-82H700

P-84C500t

P-25E803

P-25E846t

PlA

M2At M2Bt

G3AR

P-90D053

§ Telephone set must be equipped with a 25W3 or

25Y3 dial, as appropriate, if intended for use with
amplifying handset or 3-type speakerphone system.

ISS 1, SECTION 502-502-101

TABLE C

POLARITY GUARD CONNECTIONS FOR

1500D AND 1554B TELEPHONE SETS

DISCONNECT

CONNECT

FROM

LEAD

NETWORK

POLARITY

GUARD

Dial

Line Switch

BR*

Polarity

Guard

*Depending on class of service set Table D or

Note:

For use when

specified by local

instructions for end-to-end signaling installations.

Page 5

SSP S02-S02-101-i01_1970-02-05.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Jan 30, 2012 22:40:22

Содержание 1500D

Страница 1: ...IIIIIIII 11mIii IiiiiI i sss 2 _ o c 15549 TELEPHONE SET maintenance and connection information for general purpose telephone sets previously contained in Sections 502 510 111 502 510 440 and 502 510 431 which are hereby canceled 2 01 General purpose TOUCH TONE dial desk and wall type telephone sets merican Telephone and Telegraph Company 1970 Printed in L l BSP 502 502 101 101_1970 02 0l jpg Scan...

Страница 2: ...uard assembly see Table C Page 2 3 INSTALLATION 3 01 Exercise care not to damage line switch on early models of 1554B sets without line switch guard when drilling or driving screw in mounting hole 4 MAINTENANCE 4 01 Replaceable Apparatus Refer to Table B for component ordering guide Component parts should be maintained in accordance with section covering the particular item 4 02 To remove housing ...

Страница 3: ...NG PARTY REFER TO TABLE D FOR CLASSES OF SERVICE NOT SHOWN INDICATES CURRENT COLOR CODE INDICATES MD COLOR CODE WITH 2 5A3 DIAL Fig 2 15000 Telephone Set Connections BSP 502 502 101 i01_1970 02 03 jpg Scanned by Frank Harrell Cowboy Frank Castle Rock Colorado Jan 30 2012 22 39 11 ISS I SECTION 502 502 101 Page 3 ...

Страница 4: ... G DIAL LEADS MAY APPEAR ON F IN SETS EQUIPPED WITH 40100 NETWORK 4 LINE SWITCH OFF HOOK SEQUENCE I b e CLOSES 4 a b OPENS 121 d e CLOSES 51 f g OPENS 3 j k CLOSES 5 SET FACTORY WIRED FOR BRIDGED SERVICE REFER TO TABLE E FOR CLASSES OF SERVICE NOT SHOWN 6 REFER TO TABLE F FOR MODIFICATIONS FOR IAI OR IA2 KTS INSULATED AND STORED 0 BKI WITH 25W3 DIAL WITH 25A3 liD DIAL Fig 3 1 5548 MD Telephone Set...

Страница 5: ...D053 Telephone set must be equipped with a 25W3 or 25Y3 dial as appropriate if intended for use with amplifying handset or 3 type speakerphone system ISS 1 SECTION 502 502 101 TABLE C POLARITY GUARD CONNECTIONS FOR 1500D AND 1554B TELEPHONE SETS DISCONNECT CONNECT FROM TO LEAD NETWORK NETWORK POLARITY GUARD Dial BK RR T Line Switch BR c s Polarity G RR Guard w c Depending on class of service set T...

Страница 6: ... L2 L2 A A Line Switch W S W F F F c c BR S BR c c c F F Note To permanently silence ringer for all classes of service except identifying ground connect Y mtg cord lead with R mtg cord lead at conn block a For 1000 ohm ground insulate and store or place S R ringer lead on unused terminal b For 2650 ohm ground insulate and store or place BK ringer lead on unused termi nal Current color code MD colo...

Страница 7: ...manently a For all classes except tip party with identifying ground remove BK ringer lead insulate and store or place on unused terminal b For tip party with 1000 or 2650 ohm identifying ground remove R ringer lead insulate and store or place on unused terminal TABLE F MODIFICAliONS FOR 1 A1 OR 1A2 KTS FOR 1554B TELEPHONE SETS WIRE OR LEAD DISCONNECT CONNECT FROM TO s A Line y 2 Ll Switch BR c 3 B...

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